How long does a mechanics lien last in Pennsylvania?
Last reviewed July 5, 2026
In Pennsylvania, a mechanics lien lasts for one year from the date of filing. If you don't file a lawsuit to enforce the lien within that year, the lien expires. Keep track of these deadlines to protect your interests.
Key points
- Mechanics lien lasts one year in Pennsylvania.
- Must file a lawsuit within that year to enforce it.
- Failure to act results in expiration of the lien.
In Pennsylvania, mechanics liens are a way for contractors and suppliers to secure payment for work performed. If no action is taken within the one-year window after filing, you lose your rights under that lien. Make sure you track your deadlines and follow through with any necessary legal action if payment isn't received.
How Alloovium helps
Alloovium can help you track lien deadlines and obligations across your project documents.
See how it worksRelated questions
- Can a subcontractor file a lien without a written contract in Pennsylvania?
- Do I need to send a preliminary notice before filing a lien in Pennsylvania?
- How much retainage can be withheld on a construction project in Pennsylvania?
- What are the prompt payment rules for construction in Pennsylvania?
- What is the deadline to file a mechanics lien in Pennsylvania?
- What is the difference between a conditional and unconditional lien waiver in Pennsylvania?
General information for US construction professionals — not legal advice. Lien deadlines, retainage caps and notice rules vary by state; verify with the state statute or a construction attorney.